<style>
	.mainTop{
		display: flex;
		justify-content: space-between;
	}
	.timeTop{
		display: flex;
		
	}
	.timeTop button.btn{
		width: auto;
	}

</style>
<div class="mainTop">
	<p>用户名: <span>xxxx</span></p>
	<div class="timeTop">
		<p>2016-01-01&nbsp;15:15&nbsp;星期一</p>
		<button class="btn btn-info">注销</button>
		<button class="btn btn-info">修改密码</button>
	</div>
</div>
	
	
